S-91111A135 10.7 mm ID x 16 mm OD DIN 7980 Split Lock Washers for Socket Head Screws

Split Lock Washers for Socket Head Screws

1311FA00007 Split Lock Washers for Socket Head Screws
1311FA00007 Split Lock Washers for Socket Head Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 1311FA00007
Equivalent to mcmaster :
91111A135

Basic Information

System of Measurement Metric
Washer Type Split Lock
Specifications Met DIN 7980

Dimension Parameters

ID 10.7 mm
OD 16 mm
Thickness 2.3-2.7 mm

Material & Strength Parameters

Material 18-8 Stainless Steel
Hardness Not Rated

Installation & Application Parameters

For Screw Size M10

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2023, 233 SVHC) Compliant

Special Type Parameters

Split Lock Washer Type Standard
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior vibration resistance ensures fasteners remain securely locked in high-motion environments, reducing maintenance needs.
  • 18-8 stainless steel construction provides excellent corrosion resistance, ideal for harsh or outdoor industrial settings.
  • Precise metric sizing (M10, 10.7mm ID, 16mm OD) guarantees accurate fit and reliable performance with standard M10 screws.
  • DIN 7980 compliance assures consistent quality, dimensional accuracy, and interchangeability in European machinery and equipment.
  • RoHS 3 and REACH compliance meets strict environmental and safety regulations, making them suitable for global supply chains.
  • Split lock design applies continuous spring tension to prevent loosening under dynamic loads and thermal cycling.
  • Durable 2.3-2.7mm thickness offers robust load distribution and long-term reliability without adding excessive bulk.

Professional Applications & Engineering Value

Engineered for demanding environments, these M10 split lock washers in 18-8 stainless steel tackle common industrial challenges like fastener loosening due to vibration, shock, and thermal expansion. The split lock washer design exerts constant radial pressure, maintaining clamp load in machinery, automotive assemblies, and electrical enclosures. Their corrosion-resistant material ensures longevity in humid or chemically exposed settings, while compliance with DIN 7980 guarantees precise metric threading and dimensional stability. This combination reduces downtime and enhances safety in vibration-resistant applications, providing a reliable, standards-based solution for OEMs and maintenance teams.

Specification Summary & Compliance

This washer conforms to DIN 7980 standards for dimensional accuracy, including an inner diameter of 10.7mm, outer diameter of 16mm, and thickness of 2.3-2.7mm, designed for M10 screw sizes. It is manufactured from 18-8 stainless steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and health safety requirements for industrial use.

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